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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Core Replacement

Heater Core Replacement

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Fig 1: View Of Heater Core & Components
GM1686236Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement (Non-HP2)  or HVAC Module Assembly Replacement (HP2) .
  2. Disconnect the wiring harness retainer from the heater core cover.
1 Heater Core Cover Screw
NOTE: Refer to Fastener Notice .

Tighten:  1.5 N.m (14 lb in)
2 Heater Core Cover

Tighten:  1.5 N.m (14 lb in)
3 Heater Core Pass Through Seal
4 Heater Core
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